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The First Successful Open Heart Surgery
The world's first successful open heart surgery was performed in Chicago in 1893 by Daniel Hale Williams, one of the first black cardiologists in the country.
March 26 at 7:58 PM
Sears' Mail Order Narcotics
Sears' mail order catalog, in 1902, included opium, marketed as a "homeopathic remedy". They also sold heroin and cocaine.
January 7 at 1:37 PM 3.2 4
The Country's First Blood Bank
Chicago was Home to Country's First Blood Bank
November 27 at 3:27 PM 2.7 4